Attendees can enjoy beer, wine, cocktails and made-to-order snacks from Brûlée Catering, while taking in views of the city skyline and Logan Square.

The beer garden will be open from 5 to 9 p.m. and is family-friendly.

Before heading up to the roof, visitors may want to check out the public library. The grand Beaux-Arts building opened in 1927 on the Benjamin Franklin Parkway and is home to a large collection of books, as well as other resources, including musical instruments members can borrow.